Divisional Rankings

Divisional Data Info
Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Illinois, Climate Division 8. Southwest

Average Temperature Rankings, June 1930

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  • Record Warmest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Warmest/Coolest
Since		 Record
June 1930
1-Month 		73.5°F
(23.1°C)		 73.9°F
(23.3°C)		 -0.4°F
(-0.2°C)		 49th Coolest
Coolest since:
 1903
80th Warmest
Warmest since:
 1952
Ties: 1967
May–Jun 1930
2-Month 		69.6°F
(20.9°C)		 69.5°F
(20.8°C)		 0.1°F
(0.1°C)		 67th Coolest
Coolest since:
 1907
62nd Warmest
Warmest since:
 2018
Ties: 1950, 1980, 1982
Apr–Jun 1930
3-Month 		66.0°F
(18.9°C)		 64.7°F
(18.2°C)		 1.3°F
(0.7°C)		 91st Coolest
Coolest since:
 1907
38th Warmest
Warmest since:
 2010
Ties: 1955, 2005
Mar–Jun 1930
4-Month 		60.3°F
(15.7°C)		 59.7°F
(15.4°C)		 0.6°F
(0.3°C)		 75th Coolest
Coolest since:
 1960
54th Warmest
Warmest since:
 2012
Ties: 1973, 1994
Feb–Jun 1930
5-Month 		56.9°F
(13.8°C)		 54.7°F
(12.6°C)		 2.2°F
(1.2°C)		 111th Coolest
Coolest since:
 1912, 1960, 1978
18th Warmest
Warmest since:
 2012
Jan–Jun 1930
6-Month 		51.5°F
(10.8°C)		 50.8°F
(10.4°C)		 0.7°F
(0.4°C)		 78th Coolest
Coolest since:
 1912, 1978
51st Warmest
Warmest since:
 2012
Ties: 1959, 1973
Dec 1929–Jun 1930
7-Month 		49.3°F
(9.6°C)		 48.5°F
(9.2°C)		 0.8°F
(0.4°C)		 77th Coolest
Coolest since:
 1978
51st Warmest
Warmest since:
 2012
Ties: 1981
Nov 1929–Jun 1930
8-Month 		48.1°F
(8.9°C)		 48.0°F
(8.9°C)		 0.1°F
(0.0°C)		 57th Coolest
Coolest since:
 1912
71st Warmest
Warmest since:
 2012
Ties: 1903, 1966, 2008
Oct 1929–Jun 1930
9-Month 		49.0°F
(9.4°C)		 49.0°F
(9.4°C)		 0.0°F
(0.0°C)		 52nd Coolest
Coolest since:
 1912, 1978
76th Warmest
Warmest since:
 2012
Ties: 1916, 1966
Sep 1929–Jun 1930
10-Month 		50.9°F
(10.5°C)		 51.1°F
(10.6°C)		 -0.2°F
(-0.1°C)		 48th Coolest
Coolest since:
 1978
80th Warmest
Warmest since:
 2012
Ties: 1928, 1971
Aug 1929–Jun 1930
11-Month 		53.0°F
(11.7°C)		 53.3°F
(11.8°C)		 -0.3°F
(-0.1°C)		 43rd Coolest
Coolest since:
 1904, 1978
85th Warmest
Warmest since:
 2012
Ties: 1903, 1910, 1945, 2001
Jul 1929–Jun 1930
12-Month 		55.1°F
(12.8°C)		 55.4°F
(13.0°C)		 -0.3°F
(-0.2°C)		 46th Coolest
Coolest since:
 1904, 1912, 1918, 1978
82nd Warmest
Warmest since:
 2012
Ties: 1900, 1903, 1962, 1971
Jan 1929–Jun 1930
18-Month 		53.1°F
(11.7°C)		 53.8°F
(12.1°C)		 -0.7°F
(-0.4°C)		 26th Coolest
Coolest since:
 1979
102nd Warmest
Warmest since:
 2017
Ties: 1896, 1912, 1917, 1963, 1971, 1982
Jul 1928–Jun 1930
24-Month 		54.9°F
(12.7°C)		 55.4°F
(13.0°C)		 -0.5°F
(-0.3°C)		 33rd Coolest
Coolest since:
 1978, 1979
94th Warmest
Warmest since:
 2017
Ties: 1916
Jul 1927–Jun 1930
36-Month 		54.8°F
(12.7°C)		 55.4°F
(13.0°C)		 -0.6°F
(-0.3°C)		 24th Coolest
Coolest since:
 1979
102nd Warmest
Warmest since:
 2018
Ties: 1899, 1901, 1982
Jul 1926–Jun 1930
48-Month 		55.0°F
(12.8°C)		 55.4°F
(13.0°C)		 -0.4°F
(-0.2°C)		 31st Coolest
Coolest since:
 1980
94th Warmest
Warmest since:
 2019
Ties: 1899, 1915, 1964, 1997
Jul 1925–Jun 1930
60-Month 		54.9°F
(12.7°C)		 55.4°F
(13.0°C)		 -0.5°F
(-0.3°C)		 24th Coolest
Coolest since:
 1980
100th Warmest
Warmest since:
 2020
Ties: 1909, 1961, 1973, 1984

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